Answer:
1. P= 4s
= 4x4
=16cm
2. P= 2(L+W)
=2(10+4)
=2(14)
=28in
3. P= a+b+c
=3+5+7
=15cm
4. P= 2(L+W)
=2(7+5)
=2(12)
=24cm
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